T hree things are for sure this summer: the sun is high, the days are long, and the Hallmark Channel is keeping the summer magic alive thanks to its highly anticipated Summer Nights event.

A romance novel fan meets a man who looks like her favorite book hero in “Unwrapping Christmas: Mia’s Prince.” “Unwrapping Christmas: Mia’s Prince,” a new Christmas in July movie, will premiere at 8 p ...