FIRST CONDITIONAL What (we do) doctor if she (feel) any pain during the night? Unless...

Question

FIRST CONDITIONAL

What (we do) doctor if she (feel) any pain during the night?

Unless you (hand over) the money at once, I (shoot) you!

Answer 1

What shall we do, doctor, if she feels any pain during the night?
Unless you hand over the money at once, I will shoot you!

Answer 2

What will we do doctor if she feels any pain during the night?
если unless заменяет if, то будет так(Unless you  hand over the money at once, I will shoot you), а если нет, то наоборот