For high schooler Samantha Baker, her sixteenth birthday might be the worst day of her life. Her entire family has forgotten about it due to her older sister's impending wedding; her biggest crush, high school hunk Jake Ryan has discovered an embarrassing sex quiz filled out by Sam in which she details how she is saving herself for him; and to make matters worse, she is hounded by a relentless nerd who won't take no for an answer.

Seth and Evan are accepting the fact that they will be going to different colleges in the fall. Now, it seems more important than ever that they go to a high school party, and achieve some of their long time goals. This includes, but is not limited to, losing their virginity with the girl of their dreams by getting them wasted and being their "regret hookup." Their awkward friend Fogell gets a fake ID, with just the name McLovin, and agrees to get...