Sister Frances leaves after dropping off Ava's body just as the members of the Order are seeking shelter after a mission gone wrong in episode 1x01 "Psalm 46:5".
Ava is harassed by a group of dudes while wandering down the street before vomiting, being hit by a van, and being thrown through a wall into a nearby store in episode 1x01 "Psalm 46:5".
Ava walks through the surf and runs down the beach at night while barefoot in episode 1x01 "Psalm 46:5".
Ava notices a strange red cloud and follows it down onto a side street in episode 1x01 "Psalm 46:5".
Ava continues following the strange red smoke but gets distracted and heads into a bar instead in episode 1x01 "Psalm 46:5".
Ava attends a rave with JC and his friends and has a bad trip when she sees another red smoke creature in episode 1x01 "Psalm 46:5".
Source: IMDb
Mary returns to the Order and tells Father Vincent what she has learned about Ava in episode 1x01 "Psalm 46:5". Mary tries to convince the others that the mercenaries are more important than Ava in episode 1x02 "Proverbs 31:25". Ava wakes up and learns about the Halo from the Order in episode 1x03 "Ephesians 6:11". Cardinal Duretti begins to take a more active role in the Order and sends Lilith after the Halo in episode 1x04 "Ecclesiasticus 26:9-10". Beatrice talks to Father Vincent about faith and then Cardinal Duretti tries to turn her to his side in episode 1x05 "Matthew 7:13". From episode 1x07 "Ephesians 4:22-24". From episode 1x08 "Proverbs 14:1".
Source: IMDb
Ava jumps into a pool before remembering she doesn't know how to swim and is rescued by JC who is squatting in the attached villa with a group of friends in episode 1x01 "Psalm 46:5". Ava wakes up and has trouble with the shower in episode 1x02 "Proverbs 31:25".
Source: IMDb
Ava and JC walk into the party and then steal a keycard to let their friends inside to get free food and booze. Meanwhile, Jillian Salvius has invited Cardinal Duretti to see her big announcement in episode 1x02 "Proverbs 31:25". Jillian discusses the incident during the party with Kristian and they spot the shield reacting to Ava on the security footage in episode 1x03 "Ephesians 6:11". The Order break into the lab to steal the shield in episode 1x04 "Ecclesiasticus 26:9-10". Jillian gives another press conference announcing the true intent of her project and reveals the Church's theft in episode 1x05 "Matthew 7:13".
Mary investigates the site of the ambush and finds a special bullet in episode 1x02 "Proverbs 31:25".
Mary pays a local arms dealer a visit to find out who he provided the special bullets used in the ambush to in episode 1x02 "Proverbs 31:25".
JC and his crew prepare to set up in a new villa but find Jillian Salvius waiting with questions about Ava in episode 1x03 "Ephesians 6:11". JC takes Ava back to their new hangout and Chanel helps her figure out her style in episode 1x04 "Ecclesiasticus 26:9-10".
Ava wanders on the beach in the morning after the attack in the alley and is discovered by JC in episode 1x04 "Ecclesiasticus 26:9-10".
Ava sits looking out at the port while thinking back to her time in the orphanage in episode 1x04 "Ecclesiasticus 26:9-10".
Ava and JC prepare to leave the city but Ava realizes she needs to head back to the orphanage to protect Diego in episode 1x04 "Ecclesiasticus 26:9-10". Ava returns to the ferry and leaves with JC followed by Lilith and Mary in episode 1x05 "Matthew 7:13".
Ava watches as Mary and Lilith run down the dock trying to catch the ferry in episode 1x05 "Matthew 7:13".
Mary arrives on the far shore on a boat to find Lilith already waiting for the ferry to arrive and they end up fighting again in episode 1x05 "Matthew 7:13".
Ava and JC hide out on the ferry while it is at port and wait for it to return North in episode 1x05 "Matthew 7:13".
Ava and JC race through the port while being chased by Lilith in episode 1x05 "Matthew 7:13".
Mary gets a street artist to draw Ava and then asks people around the beach if they have seen her in episode 1x06 "Isaiah 30:20-21".
Father Vincent walks Ava up to where the nuns are training while talking about the demon threat in episode 1x03 "Ephesians 6:11". From episode 1x07 "Ephesians 4:22-24".
Father Vincent and Mary track down the owner of the stolen map and force him to show it to them in episode 1x08 "Proverbs 14:1".
From episode 1x09 "2 Corinthians 10:4". From episode 1x10 "Revelation 2:10".
Source: IMDb