When her estranged Aunt Jordyn shows up on their doorstep shortly after her mom's funeral, Sophie suspects something is not right. As she uncovers Aunt Jordyn's true intentions and mysterious past, Sophie discovers Aunt Jordyn isn't who she says she is and quickly finds her life in danger.

Four girls sink a time capsule in a lake with a list of things they want to do before graduation, but they all go separate ways before graduating. When a tragedy strikes, they reunite to find the capsule and complete the bucket list.