We're not sure of the preflop action, but we do know a raising war between Peter Nguyen and Kelsey Hendriks resulted in the former getting his stack in.

Hendriks:
Nguyen:

It appeared Nguyen had picked the wrong time to shove, but then the flop came down to give him the lead. The turn gave Hendriks a flush draw to go with his overs, and it hit when the spiked on the river to end Nguyen's Main Event.