Complex sentence: The plan to wake Mike from his coma is simply to "throw him into bed" with the sentient computer Athene, a plan that succeeds, as a revived Mycroft Holmes appears briefly in the novel "To Sail Beyond the Sunset".
Split into simpler sentences: The plan to wake Mike from his coma is to "throw him into bed" with the sentient computer Athene. A revived Mycroft Holmes appears briefly in "To Sail Beyond the Sunset".