Michael Rubino

While Mac participates in a challenge for government operatives to create robotic combat machines, Mac must help his biggest competitor, Allie (Ashley Tisdale), when her vehicle is hacked and heads to the Pentagon.

As Alexis (guest star Nicollette Sheridan) loses control of her plan with the Colbys, Fallon (Elizabeth Gillies) challenges Blake (Grant Show) for control of the family’s company only to learn she’s not the only one with a claim to the throne. Sammy Jo (Rafael de la Fuente) and Steven (James Mackay) prepare to tie the knot — but an unexpected guest causes all hell to break loose.