'Below Deck' Kate Chastain Reveals How She and Rhylee Gerber Ashton Under Deck is a popular reality TV show that takes place on a luxurious yacht. He is the charismatic captain, and the show features his daily adventures managing the crew and ensuring a smooth sailing experience for the affluent guests. Below the floor, he faces exciting circumstances and navigates complex relationships among the staff. The show provides a one-of-a-kind sneak peek into the behind-the-scenes of luxury yacht travels and the obstacles they bring. His charm and guidance skills make him an captivating character to watch on Ashton Beneath the Surface.