A legendary progressive rock band embarks on a celebratory tour, marking their 35th anniversary with a spectacular concert set in Tsongas Arena. The film captures the band's intricate musicianship and dynamic stage presence, presenting a blend of classic hits and deep cuts from their illustrious career. The concert begins with a visually stunning set design, complete with elaborate light displays and expansive video screens that complement the band's performance. Each song showcases the skill and synergy of the musicians, featuring complex time signatures, lush harmonies, and virtuosic solos that have defined their sound over decades. The audience, composed of die-hard fans and newcomers alike, is swept into a nostalgic yet invigorating experience.

As the concert unfolds, the band delves into an array of compositions that span their extensive discography. Acoustic interludes provide intimate moments, juxtaposed with powerful full-band arrangements that highlight the group's versatility. Throughout the performance, the rapport between band members and their genuine enjoyment of playing together is evident, creating an energetic and engaging atmosphere. The film not only serves as a testament to their enduring legacy but also as an immersive encounter with the timeless music that has influenced generations. The concert crescendos in a climactic display of musicianship and showmanship, leaving the audience in awe and underscoring why this band has persevered for over three decades.