Relationships are challenged at Station 19 following Sullivan's actions at Maya and Carina's wedding, putting his marriage with Andy to the test. Dean comes to terms with his feelings for Vic, while Travis rekindles an old flame.。一群医学院的学生在经历了长达六年在学院生涯和无数考试的洗礼之后,终于要毕业了。六年的朝夕相处,他们结下了真挚的友情,虽然医科大学功课艰深,但也并不影响他们享受生命,挥洒青春,坚持自我。不过在正式踏入职场之前,见习医生阶段是每个新医生的必修课,当校园里嬉笑怒骂转换了背景以后,年轻的心灵中难免泛起涟漪,当初出人世的火热心肠遭遇了世故的历练时,成熟的第一步终归会带着几分伤感的……。