Tir Dhondy retraces Sarm's last known movements before her disappearance from a charter yacht in 2021. She hears Sarm's boyfriend, Ryan Bane, give his account of what happened through his lawyer.

Tir meets with island police and is given CCTV footage that has never been released, showing Sarm’s last known movements with her boyfriend, Ryan Bane.

Tir searches for the yacht Sarm vanished from and tracks down Ryan Bane’s ex-wife, hearing first-hand about her experiences while married to him.