Holly Robinson Peete and star Kaylee Bryant are teaming up for a new Hallmark movie.The pair will lead (working title) for Hallmark Movies & Mysteries, which will premiere this summer, ET can exclusively reveal. They'll be joined in the cast by Mark Humphrey.The upcoming HM&M movie follows Madeline (Peete), a famous Hollywood actress, and Sarah (Bryant), a wilderness expert, who embark on a cross-country trip together.