In 1968 the air is filled with peace, love, and excitement as the senior prom takes place for a handful of high school friends. However the events of that night though will leave a group of teenagers forever changed as one of there own is killed by a freak accident, leaving them all with a memory they will never forget. Forty years later Charlie an old man still remembers that night with much pain, sorrow, and bitterness as he lost the love of his life Mary and has never recovered. Charlie spends most of his time with his high school friend Donnie trying to figure out how he could of changed the events of that evening. On the day of his 58th birthday Charlie is presented with the chance of a lifetime, and a question we have all asked our selves. ‘If you could go back and change one thing what would it be?’ Charlie is soon in a familiar time and place which he once knew as his high school, and the year is 1968. Confused as to how this all happened he must find Mary and figure out how to save her from an approaching doom. Presented with a new set of challenges, villains, and consequences Charlie must decide how far he will go to get back what he once lost.