Jack and Gill are turning 40, so they invite their closest friends for a fun, phone-free night away. The twist? Dinner is laced with cannabis. 

Just as the party’s getting wild, someone sneaks a peek at their phone and drops the bomb—literally. A nuclear missile is headed for California! 

As the pot kicks in and panic sets in, secrets spill, chaos erupts, and they scramble to figure out how to spend what might be their last night alive.