Sean King moves his successful internet start-up back to L.A. to find a life he left behind. When the conversation with his brother and best friends, Ryan, Angela, and Anthony leads to remembering your ‘first time’, Angela suggests that the guys revisit the women they lost their virginity, saying they may have a different version of that historic night. A re-booty call! What could possibly go wrong?

When a futuristic train journey turns chaotic due to a tech genius's malevolent hacking of brain-implanted passengers, a group of disparate travelers must band together to regain control, confronting not only immediate dangers but also the darker implications of unchecked technology.