Super Short Summary

In The Slippery Slope by Lemony Snicket, Violet and Klaus Baudelaire ascend the Mortmain Mountains to rescue their sister Sunny, who has been captured by Count Olaf. They encounter various characters, including the previously believed dead Quigley Quagmire. The siblings uncover secrets about their parents and the VFD, ultimately rescuing Sunny and narrowly escaping Olaf’s clutches once more.