Plot White Tulip

as central theme of episode, walter seeks sign of white tulip sign of god s forgiveness , hope peter can forgive him.

walter approaches alistair fellow man of science, replacing components form time machine has constructed within body. walter professes alistair s attempt jump several months require great deal more power alistair has predicted, possibly killing hundreds in area near appears. alistair, aware of this, recalls empty field at, few blocks fiancée died, , plans use field vegetation die out arrival. walter tells alistair how correct mistake caused him jump train warns him of other consequences changing events bring, explaining stealing peter parallel universe has left him wracked regret. despite being man of science, walter s torment on years drove him believe in higher power, , hopes sign of god s forgiveness—and thus, eventually, peter s—in form of white tulip.

alistair considers this, walter s time up, swat team starts move in. alistair jumps in time again few hours complete modified power calculations based on walter s comments, , prepare pre-addressed letter brings him. swat team barges in, alistair re-engages time machine. alistair s modifications have worked, finds himself in field, minutes before fiancée s death. alistair able make fiancée in time, reuniting in car long enough love before both killed collision.

in present, events of episode never occurred, , walter, having time contemplate letter peter instead of being called case, tosses fireplace. later, receives envelope in mail—the 1 alistair had prepared , instructed delivered walter on specific date. inside, walter finds drawing of white tulip.