Caitlin goes to her mother's office for help with her freezing powers.
Source: What's Filming
Barry heads to where a giant monster is attacking the harbor district and helps Iris save some people from a bus.
Caitlin's mother Dr. Tannhauser runs some tests on her cold powers.
Barry is tagging along with Julian's investigation into the monster attack when the monster appears again and he has to save Julian from another transformer explosion.
Barry sets up a trap for the monster only to learn it is a hologram.
The Flash stops the police from injuring someone by shooting through the monster hologram.