Karen can't believe that she has to work her receptionist gig on a gorgeous Fourth of July. Then a call comes from her long-lost father and sets in motion a crazy chain of events that will change one small town forever. Meanwhile, Megan must decide between the stability of her longtime girlfriend and the thrill of a new love. Young Ray fends off bullies and organized sports to woo the girl he likes. In a little burg like this, you’d better believe everything is connected, which means that pretty soon everyone is mixed up in each other’s business.

一位身患绝症的妈妈，决定以接近光速的速度进行太空旅行。根据相对论，她最后两年生命就可以被拉长，从而陪伴女儿。她每隔七年回地球探望一次，眼看着女儿渐渐老去，自己却永远停留在离开地球的那个年纪。